1. Ch. 5

2. Origin, Diffusion, and Dialects of English Origin and diffusion of English English colonies Origin of English in England Dialects of English Dialects in England Differences between British and American English Dialects in the United States

3. The Indo-European Language Family Branches of Indo-European Germanic branch Indo-Iranian branch Balto-Slavic branch Romance branch Origin and diffusion of Indo-European Kurgan and Anatolian theories

4. Distribution of Other Language Families Classification of languages Distribution of language families Sino-Tibetan language family Afro-Asiatic language family African language families

5. Major Language Families Percentage of World Population Fig. 5-11a: The percentage of world population speaking each of the main language families. Indo- European and Sino-Tibetan together represent almost 75% of the world’s people.

6. Language Family Trees Fig. 5-12: Family trees and estimated numbers of speakers for the main world language families.

7. Language Diversity and Uniformity Preserving language diversity Hebrew: reviving extinct languages Celtic: preserving endangered languages Multilingual states Isolated languages Global dominance of English English as a lingua franca Diffusion to other languages